Ratings: ASME Class 600 to 2500, PN 16 to 400Sizes: 1 to 9; 2x4 to 2x9; 3x6 to 3x9; 4x7 to 4x9; 5x7 to 5x9; 6x8; 6x9; 7x9Visible length: 95 to 320; 380 to 680; 770 to 1040;1160 to 1400; 1460 to 1760; 2000; 2120; 2480Materials: Forged carbon steel, Stainless steel, Hastelloy, other special materialsConnections: end tubes, stuffing boxes, screwed nipples Application:- Can be used in most of application- Offer great advantages such as low initial cost, low operating cost, easy level reading- Cannot be used when the separation level between two liquids has to be read (interface)- Cannot be used when besides the level indication, the observation of the liquid colour is required- Cannot be used when the process fluid is high pressure water steam- Cannot be used when the process fluid can corrode the glass Features:- The liquid level is distinguished by the different brightness of the reflex glass in water or in steam space- Right-handed or Left-handed according to